-1783] Cicadellidae 577 



1780. Idiocerus duzeei Pro v. 

 Provanclier, Pet. Faune Ent. Can., iii, p. 292, 1890. 

 Osborn and Ball, Pioc. Dav. Acad. Sci., vii, p. 136, 1898. 

 Baker, Can. Ent., xxxii, p. 207, 1900. 

 Wirtner, Ann. Carn. Mus., iii, p. 218, 1904. 

 Van Duzee, Can. Ent., xliv, p. 329, 1912. 



perplexus Gillette and Baker, Hemip. Colo., p. 78, 1895. 

 Baker, Ent. News, viii, p. 54, 1897. 

 Tucker, Univ. Kans. Sci. Bui., iv, p. 60, 1907. 

 Osborn, Me. Agr. Exp. Sta., Bui. 238, p. 95, 1915. 



Localities: Quebec, Ont., Me., N. H., Pa., Kans., Colo. 



1781. Idiocex"us alternatus Fitch 

 Fitch, Homop. N. Y. St. Cab., p. 59, 1851. 

 Van Duzee, Can. Ent., xxi, p. 8, 1889. 

 Van Duzee, Psyche, v, p. 388, 1890. 

 Provancher, Pet. Faune Ent. Can., iii, p. 293, 1890. 

 Coekerell, Trans. Am. Ent. Soc, xx, p. 365, 1893. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., v, p. 194, 1894. 

 Gillette and Baker, Hemip. Colo., \). 73, 1895. 



Osborn and Ball, Proc. Dav. Acad. Sci., vii, pp. 70, 131, pi. 3, fig. 1, 1898. 

 Wirtner, Ann. Carn. Mus., iii, p. 218, 1904. 

 Osborn, 20th Eept. N. Y. St. Ent., p. 506, 1905. 

 Van Duzee, 20th Eept. N. Y. St. Ent., p. 554, 1905. 

 Van Duzee, Can. Ent., xl, p. 116, 1909; xliv, p. 329, 1912. 

 Osborn, Me. Agr. Exp. Sta., Bui. 238, p. 93, 1915. 

 Metcalfe, Jl. Elisha Mitchell Sci. Soc, xxxi, p. 17, 1915. 

 inierruptus Gillette and Baker, Hemip. Colo., p. 74, 1895. 



Localities: Quebec, Ont., Me., N. H., N. Y., Pa., N. C, Ohio, Tenn., 

 Mich., la., Colo., Utah, Calif. 



1781 i/i;. Idiocerus subnitens S. & D. 

 Sanders and DeLong, Ann. Ent. Soc. Am., x, p. 82, 1917. 

 Locality : Wis. 



1782. Idiocerus verticis (Say) 

 Say, Jl. Acad. Nat. Sci. Pliila., vi, p. 308, 1831; Compl. Writ., ii, p. 383, Jassus. 

 Walker, List Homop., iv, p. 1164, 1852, Jassus. 

 Uhler, Bui. U. S. Geol. Geog. Surv., iii, p. 465, 1877, Bythoscopus. 

 Van Duzee, Psyche, v, p. 389, 1890. 

 Harrington, Ottawa Nat., vi, p. 31, 1892 (noticed). 

 Gillette and Baker, Hemip. Colo., p. 80, 1895. 

 Osborn and Ball, Proc. Dav. Acad. Sci., vii, p. 132, 1898. 

 Osborn, 20th Kept. N. Y. St. Ent., p. 507, 1905. 

 Van Duzee, Trans. San Diego Soc. Nat. Hist., ii, p. 52, 1914. 

 DeLong, Tenn. St. Bd. Ent., Bui. 17, }). 11, 1916. 

 Localities: Me., Tenn., la.. Mo., Colo. 



17S3. Idiocerus concinuus Ball 

 Ball, Can. Ent., xxxiv, ]>. 306, 1902. 



Localities: Calif., Vane. Isd. 



